pwm-st.txt

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    1 STMicroelectronics PWM driver bindings
    2 --------------------------------------
    3 
    4 Required parameters:
    5 - compatible :          "st,pwm"
    6 - #pwm-cells :          Number of cells used to specify a PWM. First cell
    7                         specifies the per-chip index of the PWM to use and the
    8                         second cell is the period in nanoseconds - fixed to 2
    9                         for STiH41x.
   10 - reg :                 Physical base address and length of the controller's
   11                         registers.
   12 - pinctrl-names:        Set to "default".
   13 - pinctrl-0:            List of phandles pointing to pin configuration nodes
   14                         for PWM module.
   15                         For Pinctrl properties, please refer to [1].
   16 - clock-names:          Valid entries are "pwm" and/or "capture".
   17 - clocks:               phandle of the clock used by the PWM module.
   18                         For Clk properties, please refer to [2].
   19 - interrupts:           IRQ for the Capture device
   20 
   21 Optional properties:
   22 - st,pwm-num-chan:      Number of available PWM channels.  Default is 0.
   23 - st,capture-num-chan:  Number of available Capture channels.  Default is 0.
   24 
   25 [1] Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
   26 [2] Documentation/devicetree/bindings/clock/clock-bindings.txt
   27 
   28 Example:
   29 
   30 pwm1: pwm@fe510000 {
   31         compatible = "st,pwm";
   32         reg = <0xfe510000 0x68>;
   33         #pwm-cells = <2>;
   34         pinctrl-names = "default";
   35         pinctrl-0 = <&pinctrl_pwm1_chan0_default
   36                      &pinctrl_pwm1_chan1_default
   37                      &pinctrl_pwm1_chan2_default
   38                      &pinctrl_pwm1_chan3_default>;
   39         clocks = <&clk_sysin>;
   40         clock-names = "pwm";
   41         st,pwm-num-chan = <4>;
   42         st,capture-num-chan = <2>;
   43 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/pwm/pwm-st.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/pwm/pwm-st.txt